If a building casts a 20 foot shadow when the angle of elevation to the roof is 72o, how tall is the building?

What type of angle is a 154 angle

Which of the following is the most famous impossible problem for Greek antiquity? A. Riemanns negation B. Koch curve C. Delain problem C. Sierpinski gasket

Fractions - how do you work out 3/5ths of 30

Which situation could be represented by 5 divided by 1/2 A: Roman has a half liter jug of water. How many 5-liter bottles of water can he fill? B: Roman has a 10-liter jug of water.

Karen drew triangle with said length 3centimeters

Nine of 15 students completed their homework. What is the ratio of students who completed their homework to students who did not complete their homework

Yellowstone national park, which is located in wyoming, montana, and idaho, was america's first national park. the park has over 500 geysers. grand geyser erupts about every 8 hours.

40% of what number is 24

What is the slope of 3x+4y=24 and the slope of 8x=48+3y

The coordinates of the four vertices of a rectangle are (1, - 1), (4, - 1), (4, 1), and (1, 1)